TV TOKYO'S Project ARMS
"From the creators of Spriggan (author Minagawa Ryoji) comes a tale about nano-machines, cybernetic assassins, powerful telekinetic opponents and a secret organization dedicated to bringing forth the next evolution of man. Ryo Takatsuki is a normal high school student who suddenly discovers that his arm has been secretly replaced with a powerful nano-machine driven weapon -- and now, a mysterious organization seeks to obtain Ryo's power by any means possible! "- Netflix.
"Character designs by Satoh Masaki of DBZ fame". I love the character design of this anime, go figure! :P
Personally I enjoyed the "First Chapter" of the series. The end of the series had it's great moments, but was weak especially the last episode.
Cels and sketches with * in the title have animated .gif.